{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["process characterization", "manufacturing standard", "enabling technology", "process parameter", "engineering feature", "concept or principle"], "input": "The basis for these experimental investigations is a Wire Arc Additive Manufacturing ( WAAM ) process with a high build-up rate ( Cold Metal Transfer - CMT ) to produce a rectangular thin-walled component made of G4Si1 ( 1.5130 ) ."}
{"process characterization": [], "manufacturing standard": [], "enabling technology": [], "process parameter": [], "engineering feature": [], "concept or principle": ["experimental", "process"]}